2-Naphthalenesulfonicacid,7-[[3-(acetylamino)benzoyl]amino]-4-hydroxy-3-[2-[2-methyl-4-[2-(2-methyl-4-sulfophenyl)diazenyl]phenyl]diazenyl]-,sodium salt
2-Naphthalenesulfonicacid,7-[[3-(acetylamino)benzoyl]amino]-4-hydroxy-3-[2-[2-methyl-4-[2-(2-methyl-4-sulfophenyl)diazenyl]phenyl]diazenyl]-,sodium salt